A gelatinous capsule is existing in some bacteria exterior the cell membrane and cell wall. The capsule might be polysaccharide as in pneumococci, meningococci or polypeptide as Bacillus anthracis or hyaluronic acid as in streptococci. Plant cells are surrounded by a tricky construction called the cell wall, which is uncovered https://opaldaily.com/recombinant-antibody-production-the-role-of-mammalian-cell-systems/